I'm trying to create a callback function that Foo can call to Bar. I run into "Run-Time Check Failure #0". I've done some research about this but it hasn't clicked for me, hence my I'm posting this ...

As a special case, Go allows you to unpack the return values of a
multiple-valued function into a variadic parameter regardless of the number (and, with ...interface{}, types) of return values, e.g.:
...

After some discussion on the question found here Correct execution of Final routine in Fortran
I thought it will be useful to know when a function with a pointer result is appropriate to use with a ...

So I really need a class with the following structure, where the class is templated and arr is an array of function pointers, but I can't seem to figure out the proper syntax:
--myclass.h--
#include ...

I'm trying to write a program to calculate a bunch of statistics based on a data set. I have the names of the statistic, function to calculate the statistic, and place for results in a dataframe. All ...

I'd like to break down what this declaration does
int (*f1 (int (*a) (int, int))) (int, int)
As far as I can currently tell, *a is a pointer to a function which takes (int, int) and returns an int. ...

I am working on building a simple 2D game engine and have a class which is capable of acting as a button in a game. I am trying to make a member function such that the user can give the button object ...

I'm having trouble with loading a DLL in my assignment project.
Here's the header file:
I have omitted code that works and is irrelevant to the problem. Basically, hinstLib is not NULL but when the ...

I have the following problem: I am writing a simple chip8 emulator, and have a massive class of interpreter functions that I would like to access via opcodes as keys, such as with a dictionary. That ...

I have tried to write in C two functions.
The first, a function that gets two matrices (and their size) and returns their multiple matrix.
The second, a function that gets a matrix and her size and ...

I am trying to create a pointer to a procedure (or equivalent). When I do something like this:
import random
# maybe a command line argument
let choice = "some algorithm"
proc withoutSideEffects(): ...

I have to implement a counter that counts the number of additions in this recursive function, but i am not allowed to use global variables. Do you know how to do that? For example if the function has ...

I am trying a sort of type-erasure with some function pointers and templates as given in the example below. What I find strange is with GCC i get wrong result where as with VS 2017, I get the expected ...

I'm trying to optimize access to some jump tables I have made, they are as follows:
int (*const usart_ctrl_table[USART_READ_WRITE_CLEAR])() =
{zg_usartCtrlRead, zg_usartCtrlWrite, zg_usartCtrlClr};
...

I want to pass function of one object to another function as an argument. Below code is only for indication of the problem, (not realistic code). How can function IdNeeded can take function getNextId ...

At an intuitive level, it makes sense that a lambda that needs to carry no state (through a reference or otherwise) should be cleanly convertible to a naked function pointer. However, I was recently ...

I am trying to find a way to declare a function by re-using a previously declared function pointer type, as it would allow me to avoid duplication in code (very useful when you have to declare a lot ...

I am trying to write a program that requests the first and last names of a group of people (say a class of students). The first names are put into a multidimensional array and the last names are also ...

For a purpose of my university project I need to implement a cyclical linked list, which holds some specific elements. The problem: I want an element of the linked list to have a pointer to a function ...